File name: D48N_English vision : 07/07/24
*
POWER SUPPLY
English
CITIZEN model SDC-444S is a dual-powered (high power solar +
back-up battery) calculator operative under any lighting conditions.
-Auto power-off function-
The calculator switches the power off automatically if there has
been no key entry for about 10 minutes.
-Battery change-
If the back-up battery needs to be changed, open the lower cabinet to
remove the old battery and insert a new battery in the indicated polarity.
*
KEY INDEX
English
[
ON
AC
] : Power on / All Clear key.
[CE/C] : Clear Entry / Clear key.
[MU] : Price Mark-up/down key
[00
t
0] : Shift-back key.
[M+] : Memory plus key.
[M–] : Memory minus key.
[+ / –] : ±Sign change key
[MR] : Memory recall key
[MC] : Memory clear key
[M
II
+] [M
II
–] [M
II
R
C
] : The Second Memory key
A 0 2 3 4 F
Decimal place selection switch
– F –
–
0
–
2
–
3
–
4
–
– A –
Floating decimal mode
Fixed decimal mode
ADD–mode automatically enters the monetary
decimal in addition and subtraction calculations
5/4
↑
↓
Round-up / Round-off / Round-down switch
The Signs Of The Display Mean The Following:
M
I
：
The first memory loaded.
–
：
Minus ( or negative)
M
II
：
The second memory loaded.
E
：
Overflow-error.
*
OPERATION EXAMPLES
English
1.Calculation Examples
Before performing each calculation, press the
[
ON
AC
]
key.
Example
Key
operation
Display
1 x 2 x 3 = 6
[
ON
AC
]
1 [x] 2 [x] 3 [=]
[CE/C]
0.
6.
0.
2 x 3 = 6
2 [x] 2 [CE/C] 3[=]
6.
5/4
↑
↓
A 0 2 3 4 F
2 + 4 + 6 = 12
2 [+] 3 [+] 6 [CE/C] [CE/C]
2 [+] 4 [+] 6 [=]
0.
12.
1234 x 100
= 123,400
12345
[00
t
0]
[x] 100 [=]
1'234
123'400
5 x 3 ÷ 0.2 = 75
5 [x] 3 [÷] 0.2 [=]
75.
300 x 27% = 81
300 [x] 27 [%]
81.
56
11.2
x 100% = 20%
11.2 [÷] 56 [%]
20.
30 + (30 x 40%) = 42
30 [+] 40 [%]
42.
30 – (30 x 40%) = 18
30 [–] 40 [%]
18.
5
4
= 625
5 [x] [=] [=] [=]
625.
144
= 12
144 [
]
12.
A 0 2 3 4 F
$14.90 + $0.35 – $1.45
+ $12.05 = $25.85
1490 [+] 35 [–] 145 [+]
1205 [=]
25.85
1 / 30 = 0.0333….
30 [÷] [=]
0.03
5/4
↑
↓
A 0 2 3 4 F
4)
-
5
x
(2
1
= 0.166….
2 [x] 5 [–] 4 [÷] [=]
0.16
2.Memory Calculation
[
ON
AC
]
0.
12 [x] 4 [M+] 20 [÷] 2 [M–]
MI
10.
[MR]
MI
38.
(12 x 4) – (20 ÷ 2) =
38
[MC]
[CE/C]
0.
15 [x] 2 [M+] 20 [x] 3 [M+]
MI
60.
25 [x] 4 [M+]
MI
100.
[MR]
MI
190.
10 [÷] 5 [M
II
+] 4 [x] 2 [M
II
+]
MI
MII
8.
[M
II
R
C
]
MI
MII
10.
[MR]
[÷]
MI
MII
190.
[M
II
R
C
]
MI
MII
10.
[=]
MI
MII
19.
5/4
↑
↓
A 0 2 3 4 F
15 x 2 = 30
20 x 3 = 60
25 x 4 = 100
(total A = 190)
10 ÷ 5 = 2
4 x 2 = 8
(total B = 10)
A ÷ B = 19
[
ON
AC
]
0.
3.Constant Calculation
2 + 3 = 5
2 [+] 3 [=]
5.00
4 + 3 = 7
4 [=]
7.00
3 x 4.111 = 12.333
3 [x] 4.111 [=]
12.34
5/4
↑
↓
A 0 2 3 4 F
3 x 6 = 18
6 [=]
18.00
4.Overflow Error Clear
123456789012 x 100
= 12345678901200
1234567890123
[00
t
0]
[x] 100 [=]
[
ON
AC
]
E
E
123'456'789'012
12.3456789012
0.
5.Price Mark-Up & Down Calculation
200+(P x 20%)=P
P=
20%
-
1
200
= 250
250–200 = 50
200 [÷] 20 [MU]
[MU]
250.
50.
5/4
↑
↓
A 0 2 3 4 F
125–(P x 20%)=P
P=
25%
1
125
+
= 100
125–100 = 25
125 [÷] 25 [+/–] [MU]
[MU]
100.
25.
6.Delta Percent
5/4
↑
↓
A 0 2 3 4 F
150
150
-
180
x100% =
20%
180 [–] 150 [MU]
20.
